Search a number
-
+
52149282987 = 329175959237
BaseRepresentation
bin110000100100010101…
…101110100010101011
311222121101002001121110
4300210111232202223
51323300204023422
635542420041403
73524210406624
oct604425564253
9158541061543
1052149282987
1120130a0218a
12a134833263
134bc11247c9
142749d68a4b
1515533e460c
hexc2456e8ab

52149282987 has 8 divisors (see below), whose sum is σ = 69556225936. Its totient is φ = 34754264352.

The previous prime is 52149282949. The next prime is 52149283007. The reversal of 52149282987 is 78928294125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52149282987 - 210 = 52149281963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52149282937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2970868 + ... + 2988369.

It is an arithmetic number, because the mean of its divisors is an integer number (8694528242).

Almost surely, 252149282987 is an apocalyptic number.

52149282987 is a deficient number, since it is larger than the sum of its proper divisors (17406942949).

52149282987 is a wasteful number, since it uses less digits than its factorization.

52149282987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5962157.

The product of its digits is 5806080, while the sum is 57.

The spelling of 52149282987 in words is "fifty-two billion, one hundred forty-nine million, two hundred eighty-two thousand, nine hundred eighty-seven".

Divisors: 1 3 2917 8751 5959237 17877711 17383094329 52149282987